karen and her brother both have a straight hairline, but her parents and sister all have a widow’s peak. complete the punnett square that shows karen’s family

(see explanation)

Explanation:

Let's say we have an H for "hairline." H is widow's peak, and h is straight hair

    H    h

H  HH   Hh

h   Hh   hh

There is a 25% chance that the offspring will have straight hair.

the parents both have Hh genes

chemical because it warmed up which involves temperature and it bubbled which includes changing

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